<!DOCTYPE HTML>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
  <meta charset="utf-8">
  <title>Reference: Masonry layout intrinsic sizing</title>
  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">
  <style>

@import "support/masonry-intrinsic-sizing-visual.css";

grid {
  display: inline-grid;
  gap: 1px 2px;
  grid-auto-flow: column;
  border: 1px solid;
  padding: 0 1px 0 2px;
  vertical-align: top;
}
.auto grid {
  grid-template-rows: repeat(4,auto);
}
.fr grid {
  grid-template-rows: 1fr 2fr 1fr 1fr;
}
.mix1 grid {
  grid-template-rows: 1fr 2fr min-content max-content;
}
.mix2 grid {
  grid-template-rows: 1.1ch auto 1.4ch 1fr;
  /* keep fixed values small enough for spanners to have an effect */
}

item {
  /* smaller heights to fit into 800x600 */
  writing-mode: vertical-rl;
  text-orientation: sideways;
}
</style>

<body>

<section class="auto">
<grid style="grid-template-rows: repeat(4, 2ch)">
  <item style="height:2ch">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item>5</item>
</grid>

<grid style="grid-template-rows: repeat(4, 2ch)">
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch; grid-area: 2/1">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="height:4ch; grid-area:2/1/4/2">5</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="grid-area: 2/1/span 2/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="height:3ch; grid-area: 2/1/4/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-area: 1/2/4/3">5</item>
  <item style="height:6ch; grid-area: 2/2/5/3; visibility: hidden">5</item>
</grid>
</section>

<!-- ditto with 'fr' sizing -->

<section class="fr">
<grid>
  <item style="height:2ch">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item>5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch; grid-area: 2/1">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:4ch; grid-area: 2/1/4/2">5</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="grid-area: 2/1/span 2/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="height:3ch; grid-area: 2/1/4/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-area: 1/2/4/3">5</item>
  <item style="height:6ch; grid-area: 2/2/5/3; visibility: hidden">5</item>
</grid>
</section>

<!-- ditto with mixed sizing: fr + min/max-content -->

<section class="mix1">
<grid style="grid-template-rows: 2ch 4ch 2ch 2ch">
  <item style="height:2ch">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item>5</item>
</grid>

<grid style="grid-template-rows: 2ch 4ch 2ch 2ch">
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch; grid-area: 2/1">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="height:4ch; grid-area: 2/1/4/2">5</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="grid-area: 2/1/span 2/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="height:3ch; grid-area: 2/1/4/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-area: 1/2/4/3">5</item>
  <item style="height:6ch; grid-area: 2/2/5/3; visibility: hidden">5</item>
</grid>
</section>

<!-- ditto with mixed sizing: fixed + auto + fr -->

<section class="mix2">
<grid style="grid-template-rows: 1.1ch 2ch 1.4ch 2ch">
  <item style="height:2ch">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item>5</item>
</grid>

<grid style="grid-template-rows: 1.1ch 2ch 1.4ch 2ch">
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:2ch; grid-area: 2/1">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="visibility: hidden">4</item>
  <item style="height:4ch; grid-area: 2/1/4/2">5</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="grid-area: 2/1/span 2/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item style="grid-row: 4">1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:3ch; grid-area: 2/1/4/2">5</item>
  <item style="height:5ch; grid-area: 1/2/4/3">6</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-row:span 4">5</item>
</grid>

<grid>
  <item>1</item>
  <item>2</item>
  <item>3</item>
  <item>4</item>
  <item style="height:6ch; grid-area: 1/2/4/3">5</item>
  <item style="height:6ch; grid-area: 2/2/5/3; visibility: hidden">5</item>
</grid>
</section>
